@misc{indiciaeda3a2767128c,
  title = {Combination ramp and platform.},
  author = {G TANDBERG},
  year = {1957},
  doi = {10.1093/ptj/37.12.798},
  url = {https://pubmed.ncbi.nlm.nih.gov/13484456/},
  note = {Source identifier: 13484456}
}